body, h1, h2, h3, h4, h5, h6, p, dl, dd, select, form, ul, ol, input, textarea, header {
    margin: 0;
    padding: 0
}

body {
    font-family: 'Microsoft Yahei';
    font-size: 12px;
    background-color: #efefef
}

ul, ol {
    list-style: none;
}

img {
    border: none;
}

a {
    text-decoration: none;
}

h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
    font-weight: normal;
}

.clearfix:before, .clearfix:after {
    content: "";
    display: table;
}

.clearfix:after {
    clear: both;
}

.clearfix {
    zoom: 1;
}

.fl {
    float: left
}

.fr {
    float: right
}